The people of the United States
Answer:
To protect the Constitutional right to be tried by one's peers.
A. Ratification of the Constitution
Answer: True
Explanation:
Politcal leaders are elected to represent the American people. So this is correct.
The Executive branch must receive approval from "the Senate" when appointing heads of executive departments, ambassadors, and Federal Court Judges, since this is one of the most important examples of the system of "checks and balances" that exists in the US.